Water molecules are so attracted to each other that even after the balloon pops, the water molecules stay together keeping the shape of the balloon. In the water molecule, the oxygen and hydrogen ...

The “lead” of a pencil is actually made of a substance called graphite which is made of carbon atoms. The picture shows a close-up of one carbon atom. A hydrogen atom has one proton as the nucleus and ...

It explains the importance of atomic weights in chemistry and illustrates the process using the law of Dong and Petit, which connects specific heat to atomic weight. The experiment involves ...